Home / 176,742.16-243,912.72-101,290.88

Finding the Fourth Proportional to 176,742.16, 243,912.72 and 101,290.88

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Solution

The fourth proportional to 176,742.16, 243,912.72 and 101,290.88 is: 139,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,742.16 : 243,912.72 = 101,290.88 : x
  2. Step 2: Convert to fraction form
    176,742.16/243,912.72 = 101,290.88/x
  3. Step 3: Cross multiply
    176,742.16x = 243,912.72 × 101,290.88
  4. Step 4: Simplify right side
    176,742.16x = 24,706,134,051.99
  5. Step 5: Solve for x
    x = 24,706,134,051.99/176,742.16
  6. Step 6: Final answer
    x = 139,786.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.